The responsive theme Essential has recently been released as it’s version 2.6 (still for Moodle 2.5) which includes 21 preset Google Fonts, more configuration options for the slider and marketing spots, bug fixes and more.
Read up on the most recent release here: https://moodle.org/mod/forum/discuss.php?d=241585
Download the theme: https://moodle.org/plugins/view.php?plugin=theme_essential
Additionally, Julian has graciously released an accompanying Mahara portfolio Essential theme. If you’re using both platforms together this might be one of the better skins to marry the look and feel. Get it here: https://moodle.org/mod/forum/discuss.php?d=242382